code: def test_name(self):
      assert MockDistribution.y.__name__ == "y"
  
file_path: chainer/tests/chainer_tests/utils_tests/test_cache.py
imports: import unittest
  import numpy
  import chainer
  from chainer import testing
  from chainer.utils import cache
label_desc: Use image node_id 1 for calling the TestCachedProperty obj's underlying member method code with example usage: obj.test_name() without return types